I have
NAVIGATIONController A -> ViewController A -> ViewController B
|
| (modal)
|
\ /
'
NAVIGATIONController B -> ViewController C
我该如何从控制器C返回到控制器A?
当我在控制器C时,我尝试打印不同控制器的值:
print(self.navigationController) //NAVIGATIONController B
print(self.navigationController?.presentingViewController) //UINavigationController (not sure what this is? It is not one of my classes)
print(self.navigationController?.presentedViewController) //nil
print(self.presentingViewController) //The same UINavigationController (still not sure...)
print(self.presentedViewController) //nil
我知道如何从MyViewController C返回到MyViewController B,使用这行代码self.navigationController?.dismissViewControllerAnimated(true, nil)
,但我想要从C返回到A :-)
我怎么才能访问NAVIGATIONController B之前的内容呢?
print
要么显示导航 B,要么为空。 - Kalzem